What mineral is this? fist-sized irregularly shaped piece. salmon-pink color with nonmetallic luster. two cleavage planes at 90 degrees to each other. has a hardness of 6. very abundant mineral.

Is water wet? my friends are debating.

Which statement is actually true about the relationship between activation energy and reaction rates? low activation energy barriers result in low rates. high activation energy barriers result in low rates. low activation energy barriers result in no reaction. high activation energy barriers result in no reaction.

What did the experiments of scientists after john dalton reveal about his atomic theory?